TWI820835B - Electro chemical machining device, machining system including the same and bicycle part manufactured by the same - Google Patents

Abstract

An electro chemical machining device, a machining system including the same and a bicycle part manufactured by the same are provided. The electro chemical machining device includes: a tank; a platform, disposed in the tank, including a base and a plurality of carriers configured to carry a plurality of work pieces; a plurality of machining electrodes, corresponding to the plurality of carriers; a moving unit, including a driving portion connected with the plurality of machining electrodes, the driving portion driving the plurality of machining electrodes to move relatively close to or away from the plurality of carriers in a moving direction; and a power supply unit, electrically connected with the plurality of machining electrodes and the plurality of work pieces.

Description

Electrochemical processing and molding device, processing system including the electrochemical processing and molding device, and bicycle parts made by using the electrochemical processing and molding device

The present invention relates to electrochemical processing, and in particular to an electrochemical processing and molding device, a processing system including the electrochemical processing and molding device, and bicycle parts made by using the electrochemical processing and molding device.

It is common knowledge that bicycle parts, such as but not limited to brake discs, pedals, chainrings, etc., are mostly cut by lathes, milling machines, drilling and other mechanical processing methods to generate preset patterns, patterns, holes, etc. Good processing accuracy.

However, the workpieces produced by conventional machining methods have sharp corners and are prone to burrs, which require additional processing, with complicated steps and high processing costs. In addition, if you want to form a more complex pattern on the workpiece, the conventional processing machine needs to replace the processing head multiple times and only process one workpiece at a time. It also needs to repeatedly adjust the processing angle between the processing head and the workpiece, which is time-consuming and expensive. At the same time, the machine configuration cost is high and the operation convenience is not good, and there are shortcomings that need to be improved urgently.

Therefore, it is necessary to provide a novel and progressive electrochemical processing and molding device, a processing system including the electrochemical processing and molding device, and bicycle parts made by using the electrochemical processing and molding device to solve the above problems.

The main purpose of the present invention is to provide an electrochemical processing and molding device, a processing system including the electrochemical processing and molding device, and bicycle parts made by using the electrochemical processing and molding device, which can be processed in batches and form complex patterns at one time.

In order to achieve the above object, the present invention provides an electrochemical processing forming device, which includes: a container; a carrying platform, which is provided in the container, including a base and a plurality of workpieces provided on the base and used for placing a plurality of workpieces. A carrier; a plurality of processing electrodes, corresponding to the plurality of carriers; a moving unit, including a driving part connected to the plurality of processing electrodes, the driving part can drive the plurality of processing electrodes relatively close to or away from the plurality of carriers along a moving direction ; and a power supply unit electrically connected to the plurality of processing electrodes and the plurality of workpieces.

In order to achieve the above object, the present invention further provides a processing system, which includes the above-mentioned electrochemical processing and forming device, and further includes: a filter press device connected to a drain outlet of the container for pressure filtering from the drain outlet. 1. Processing waste liquid.

In order to achieve the above object, the present invention also provides a bicycle part, which is made by using the electrochemical processing forming device as described above, including: a body with at least one processing structure formed by electrochemical processing, and the at least one processing structure includes At least one notch and at least one arc surface surrounding the at least one notch.

1:Electrochemical processing forming device

2: Workpiece

3:Bicycle parts

4: Press filter device

5: Central sink

6: Liquid inlet pipe

10: Container

20: Carrier platform

21:Pedestal

22:Vehicle

221: Groove

222: Frame

223:Boss

30: Processing electrode

31: Electrode end

40:Mobile unit

41:Drive Department

50:Power supply unit

60:Guidance mechanism

61: Guide rod

62:Mobile board

63:Limit plate

631:Trough

64: Buffer kit

70: Shell

71:Visual window

80:Control unit

81: Operation interface

300, 300a, 300b: body

310,310a,310b: Processing structure

311,311a: notch

312,312a: Arc surface

313:Polygonal groove

314:Perforation

314a: first port

314b: Second port

320:Through hole

510: Cooling unit

Figure 1 is a schematic configuration diagram of a preferred embodiment of the present invention.

Figure 2 is a perspective view of a preferred embodiment of the present invention.

Figure 3 is a perspective view of a bicycle pedal according to a preferred embodiment of the present invention.

Figure 4 is a perspective view of a bicycle pedal according to another preferred embodiment of the present invention.

Figure 5 is a front view of a bicycle disc according to another preferred embodiment of the present invention.

The following examples are only used to illustrate the possible implementation modes of the present invention, but are not intended to limit the scope of protection of the present invention.

Please refer to Figures 1 to 3, which show a preferred embodiment of the present invention. The electrochemical processing forming device 1 of the present invention includes a container 10, a carrier 20, a plurality of processing electrodes 30, a mobile unit 40 and a power supply. Supply unit 50.

The stage 20 is disposed in the container 10 and includes a base 21 and a plurality of carriers 22 disposed on the base 21 for mounting a plurality of workpieces 2; the plurality of processing electrodes 30 correspond to the plurality of carriers 22; The moving unit 40 includes a driving part 41 connected to the plurality of processing electrodes 30. The driving part 41 can drive the plurality of processing electrodes 30 to move relatively close to or away from the plurality of carriers 22 along a moving direction; the power supply unit 50 is electrically connected. The plurality of processing electrodes 30 and the plurality of workpieces 2 can then perform electrochemical reactions on the plurality of workpieces 2 through the plurality of processing electrodes 30, which can be processed in batches and complex patterns can be formed at one time, effectively reducing processing costs and processing costs. Excellent accuracy and efficiency.

In detail, the plurality of carriers 22 and the base 21 are made of metal material, and the power supply unit 50 is electrically connected to two opposite sides of the base 21 to simultaneously supply the plurality of carriers 22 . Multiple workpieces 2 are powered. Preferably, the plurality of carriers 22 are detachably arranged at intervals on the base 21 . Each carrier 22 includes a groove 221 and a frame 222 surrounding the groove 221 . A plurality of bosses 223 are protruding from a bottom wall at intervals, whereby the plurality of bosses 223 can stably contact the workpiece 2 and have good electrical conductivity. In this embodiment, each workpiece 2 is a pedal embryo formed by metal extrusion, such as but not limited to aluminum alloy, titanium alloy and other metals. Each groove 221 has a rectangular outline for accommodation. One of the workpieces 2, each workpiece 2 can be held in a carrier 22 by other fixing means such as clamps, fasteners, screw locks, etc. to avoid arbitrary displacement during processing. In other embodiments, the power supply unit can also be electrically connected to the plurality of carriers respectively, thereby providing different power supply conditions to the plurality of workpieces according to processing requirements.

In this embodiment, each of the processing electrodes 30 includes a plurality of electrode ends 31 arranged spaced apart from each other. At least two of the plurality of electrode ends 31 have different cross-sectional contour shapes, so that each of the workpieces 2 can be processed simultaneously. Patterns with different shapes. During processing, the plurality of processing electrodes 30 serve as cathodes, and the plurality of workpieces 2 serve as anodes. At the same time, an electrolyte (such as water) is input through a plurality of liquid inlet pipes 6 connected to one side of the plurality of processing electrodes 30 to allow electrolysis. Through the chemical reaction, target patterns can be formed on the plurality of workpieces 2 at the same time, effectively saving processing time and reducing processing costs. The target pattern corresponds to the shape of the plurality of processing electrode ends 31, which is easy to control and has good processing convenience. In other implementations, the electrolyte can also be directly injected into the container, and the electrolyte can be soaked between the plurality of workpieces and the plurality of electrode ends, and the same effect can be achieved.

The electrochemical machining and molding device 1 further includes a guide mechanism 60 provided between the stage 20 and the moving unit 40 . The guide mechanism 60 includes a plurality of units fixed on the stage 20 and extending along the moving direction. Guide rod 61, the driving part 41 is slidably connected to the plurality of guide rods 61 along the moving direction, which can avoid the driving The moving part 41 is tilted relative to the moving direction and has good stability. In detail, the guide mechanism 60 further includes a moving plate 62 connected to the driving part 41 and a limiting plate 63 provided between the moving plate 62 and the stage 20 . The moving plate 62 is away from the driving part 41 The plurality of processing electrodes 30 are provided on one side, and the limiting plate 63 passes through a plurality of through grooves 631 corresponding to the plurality of processing electrodes 30. The moving plate 62 can move along the plurality of guide rods 61 and resist in the moving direction. Connected to the limiting plate 63; when the moving plate 62 abuts the limiting plate 63, the plurality of processing electrodes 30 are disposed in the plurality of through grooves 631 and maintain a distance from the plurality of workpieces 2, so as to The moving direction limits the plurality of processing electrodes 30 to prevent damage to the plurality of processing electrodes 30 caused by unexpected movement. Preferably, a buffer set 64 is provided between each guide rod 61 and the limiting plate 63 to prevent parts from being displaced and lost due to unexpected collisions. It is preferable to have a plurality of hydraulic rods or pneumatic rods between the moving plate 62 and the stage 20 so that they can move stably relative to each other and are not easily skewed. The plurality of processing electrodes 30 are preferably detachably assembled on the moving plate 62 and can be replaced according to processing requirements, allowing for the formation of diverse patterns.

The electrochemical machining and molding device 1 includes a housing 70 in which the receptacle 10 is located. The housing 70 is provided with at least one viewing window 71 corresponding to the receptacle 10 so that the processing status can be observed at any time. The electrochemical processing and molding device 1 further includes a control unit 80, which is electrically connected to the mobile unit 40 and the power supply unit 50. The control unit 80 has an operation interface 81, and the operation interface 81 can be operated. Adjusting at least one of the moving distance and moving speed of the moving unit 40, the supply voltage, the supply current and the power supply time of the power supply unit 50 facilitates operation and adjusts processing conditions.

With reference to Figures 3 to 4, the present invention also provides a bicycle part 3, which is made by using the electrochemical processing forming device 1 as mentioned above, and includes: a body 300, 300a, which has at least one processing structure formed by electrochemical processing. 310, 310a, the at least one processing structure 310, 310a includes at least one notch 311, 311a and at least one arc surface 312, 312a surrounding the at least one notch 311, 311a, which has smooth edges and corners without the need for secondary processing. For example, the bicycle part 3 is a bicycle pedal, and the body 300, 300a It is a pedal body, and each of the recesses 311, 311a can be set as a blind hole (Fig. 3) or a perforation (Fig. 4) as required; preferably, the at least one processing structure 310a also includes a plurality of polygonal grooves 313, each of the polygonal grooves 313. The bottom wall of the groove 313 is formed with a through hole 300 (a screw hole in this embodiment) through which a slip-stopping pin can be inserted, as shown in FIG. 4 . Thereby, the anti-slip pins can be directly inserted into the through holes 320, and a nut locked to each of the anti-slip pins can be accommodated in one of the polygonal grooves 313, which facilitates alignment and assembly and is not easy to detach. open.

Please also refer to Figure 5. The bicycle part can also be a bicycle disc. The body 300b can be a disc body. The at least one processing structure 310b includes a plurality of notches. Each of the notches is a through hole 314 and includes a The first port 314a and the second port 314b are at least partially offset in the thickness direction of the disk body, thereby effectively guiding the flow of gas and achieving good heat dissipation effect. .

The present invention also provides a processing system, which includes the above-mentioned electrochemical processing forming device 1, as shown in Figure 1, and also includes: a filter press device 4, connected to a drain port of the container 10, for pressurized filtering from One of the drainage outlets is processing waste liquid (i.e. electrolyte). The electrochemical processing system further includes a central water tank 5, which is connected between a water outlet of the filter press device 4 and a water inlet of the electrochemical processing forming device 1. The central water tank 5 is provided with a cooling unit. 510. The cooling unit 510 is used to maintain the liquid in the central water tank 5 at a set temperature. The set temperature is, for example, an operating temperature that needs to be maintained during electrochemical processing. In this way, the processed processing waste liquid can be reused, saving processing costs and reducing environmental pollution.

1:Electrochemical processing forming device

4: Press filter device

5: Central sink

10: Container

50:Power supply unit

70: Shell

71:Visual window

80:Control unit

81: Operation interface

510: Cooling unit

Claims (11)

An electrochemical machining and molding device includes: a container; a carrying platform located in the container, including a base and a plurality of carriers provided on the base for mounting a plurality of workpieces; a plurality of processing electrodes corresponding to On the plurality of carriers; a moving unit includes a driving part connected to the plurality of processing electrodes, the driving part can drive the plurality of processing electrodes relatively close to or away from the plurality of carriers along a moving direction; and a power supply unit, Sexually connecting the plurality of processing electrodes and the plurality of workpieces; wherein, the electrochemical processing forming device further includes a guide mechanism provided between the stage and the mobile unit, the guide mechanism includes a plurality of units fixed on the stage And the guide rod extends along the moving direction, and the driving part can be slidably connected to the plurality of guide rods along the moving direction; the guiding mechanism further includes a moving plate connected to the driving part and a moving plate provided between the moving plate and The limit plate between the stages is provided with the plurality of processing electrodes on one side of the moving plate away from the driving part. The limit plate is provided with a plurality of through grooves corresponding to the plurality of processing electrodes. The moving plate can move along the A plurality of guide rods moves and abuts against the limiting plate in the moving direction; when the moving plate abuts against the limiting plate, the plurality of machining electrodes penetrates through the plurality of through grooves and remains between the plurality of workpieces. One spacing. The electrochemical machining and molding device of claim 1, wherein the plurality of carriers and the base are made of metal material, and the power supply unit is electrically connected to two opposite sides of the base. The electrochemical processing forming device as claimed in claim 1, wherein the plurality of carriers are detachably arranged at intervals on the base, and each carrier includes a groove and a frame surrounding the groove, and each carrier includes a groove and a frame surrounding the groove. One of the bottom walls of the groove is provided with a plurality of bosses at intervals. The electrochemical machining forming device of claim 3, wherein each workpiece is a pedal blank formed by metal extrusion, and each groove has a rectangular outline and is used to accommodate one of the workpieces. The electrochemical machining and molding device according to claim 1, wherein each of the processing electrodes includes a plurality of electrode ends arranged at intervals, and at least two of the plurality of electrode ends have different cross-sectional contour shapes. The electrochemical processing forming device of claim 1, wherein the plurality of carriers and the base are made of metal, and the power supply unit is electrically connected to two opposite sides of the base; the plurality of carriers are detachable The ground partition is arranged on the base. Each carrier includes a groove and a frame surrounding the groove. A plurality of bosses are protruding from the bottom wall of each groove at intervals; each workpiece is made of A metal extruded pedal embryo, each groove has a rectangular outline and is used to accommodate a workpiece; each processing electrode includes a plurality of electrode ends arranged at intervals, and the cross-sections of at least two of the plurality of electrode ends are The contour shapes are different; a buffer set is provided between each guide rod and the limiting plate; the electrochemical processing forming device includes a shell, the groove is located in the shell, and the shell is provided with at least one corresponding The visible window of the container; the electrochemical processing and molding device further includes a control unit electrically connected to the mobile unit and the power supply unit. The control unit has an operating interface, and the operating interface can be operated to Adjust at least one of the moving distance, moving speed of the mobile unit, supply voltage, supply current and power supply time of the power supply unit. An electrochemical processing system, including the electrochemical processing forming device as described in any one of claims 1 to 6, and further including: a filter press device connected to a drain outlet of the container for pressure filtering from the drain outlet One of the processing waste liquids. The electrochemical processing system as claimed in claim 7, further comprising a central water tank, wherein the central water tank is connected between a water outlet of the filter press device and a water inlet of the electrochemical processing forming device. The central water tank is provided with a cooling unit, and the cooling unit is used to maintain the liquid in the central water tank at a set temperature. A bicycle part, which is made by using the electrochemical processing forming device as described in any one of claims 1 to 6, including: a body with at least one processing structure formed by electrochemical processing, and the at least one processing structure includes at least A notch and at least one arc surface surrounding the at least one notch. The bicycle part according to claim 9, wherein the body is a pedal body, and the at least one processing structure further includes a plurality of polygonal grooves, and the bottom wall of each polygonal groove is used to form an anti-slip pin that can be inserted therethrough. The through hole. The bicycle part according to claim 9, wherein the body is a disc body, the at least one processing structure includes a plurality of the notches, each of the notches is a through hole and includes a first port and a second port, the The first port and the second port are at least partially offset in a thickness direction of the disc body.

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